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Film-insulated temperature-sensing probe and its use for determining internaltemperature at cigarette burning

A technology of temperature sensing probe and film, which is applied in thermometers, thermometers and measuring devices with electrical/magnetic components directly sensitive to heat, etc. effect of benefit

Inactive Publication Date: 2006-10-25
YUNNAN REASCEND TOBACCO TECH GRP
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Aiming at the insensitive and inaccurate temperature response of the existing platinum-rhodium metal wire temperature-sensing probe, the present invention develops a film-insulated temperature-sensing probe after painstaking research, which is used to measure the internal dynamic combustion temperature and gas phase temperature effect of cigarettes good

Method used

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  • Film-insulated temperature-sensing probe and its use for determining internaltemperature at cigarette burning
  • Film-insulated temperature-sensing probe and its use for determining internaltemperature at cigarette burning
  • Film-insulated temperature-sensing probe and its use for determining internaltemperature at cigarette burning

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Embodiment Construction

[0018] Such as figure 1 As shown, the thin-film insulation temperature-sensing probe of the present invention is formed by electrically connecting one end of platinum wire 5 and platinum-rhodium wire 6, and the surface of described platinum wire 5 and platinum-rhodium wire 6 is coated with thin-film insulating coating 10, and the middle and rear The part is equipped with protective porcelain tube 3.

[0019] The thin-film insulating coating 10 is a high-temperature insulating coating. The high-temperature insulating coating is a high-temperature insulating coating based on ceramics, composite resins or organic fluoropolymers, and ceramics are commonly used.

[0020] figure 2 Another embodiment of the film-insulated temperature-sensing probe is shown, which is used as the active temperature-sensing probe 7 in the equipment for measuring the internal temperature of cigarettes, and it is used with figure 1 The structure of the fixed temperature-sensing probe shown is slightly...

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Abstract

The invention discloses a film insulated temperature sensing probe and the device to use the probe to testing the dynamic temperature inner cigarette. The film insulated layer is coated on the surface of platinum wire and platinum rhodium wire of the probe. Temperature sensing component is set on the temperature trap of dynamic temperature device that includes fixing temperature sensing probe and active temperature sensing probe. The signal of the probe would input to A / D converting circuit. And the digital signal would be processed by DSP and transmits to computer. The invention has high accuracy and wide temperature measuring range.

Description

technical field [0001] The invention belongs to the technical field of tobacco testing equipment, and in particular relates to a film-insulated temperature-sensing probe and its application in measuring the internal dynamic temperature of cigarettes during combustion. Background technique [0002] Cigarette combustion temperature is an important factor affecting the chemical composition of cigarette smoke. It is closely related to the formation of harmful components in smoke. It plays an important role in the formation of chemical components and content in cigarette main and sidestream smoke. It is the most important factor affecting the quality of cigarettes. one of the parameters. Measuring the dynamic combustion temperature and internal gas phase temperature of cigarettes plays a very positive role in studying the chemical composition of cigarette smoke and reducing the harmful components of cigarettes. [0003] At the end of the 1950s, there was corresponding research o...

Claims

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Application Information

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IPC IPC(8): G01K7/18G01K1/08G01K1/14G01K7/20G01K13/00
Inventor 杨涛杨伟祖
Owner YUNNAN REASCEND TOBACCO TECH GRP
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